WASHINGTON – Was Sen. Marco Rubio really going to be the vote that torpedoed the biggest tax cut bill in three decades because he didn’t get everything he wanted on an expansion of the Child Tax Credit?

We’ll never know now that the Florida Republican was able to wrest enough of a concession from congressional leaders Friday to secure his vote.

Plenty of skeptics on social media doubted Rubio — someone generally known as a team player — would buck his party on such a signature issue. So did some members of his own party as well as President Trump who never seemed very worried Rubio would go rogue.

“I think he’ll get there. He’s really been a great guy, very supportive,” Trump said Thursday when Rubio was still saying he couldn’t vote for the bill. “I think that Sen. Rubio will be there, very shortly.”

And he got “there” less than 24 hours later, after GOP leaders made a key concession on the refundability of the tax credit upon realizing they couldn’t afford to lose Rubio.

At the time, other GOP senators either still were undecided or faced medical situations that could prevent them from voting on the bill. And With only 52 Republicans in the 100-seats chamber (and no Democrats supporting the bill), every senator matters.

"This change, along with the strong pro-growth, pro-American jobs provisions already contained in the legislation, makes me an enthusiastic yes vote for the Tax Cuts and Jobs Act. This tax reform legislation is now a historic win for American working families," Rubio wrote on Facebook Friday afternoon.

Had Rubio not won at least a partial victory, would a senator whom many believe still has White House aspirations really want to be known as the person who killed tax reform as future presidential rivals no doubt would label him?

The importance of the vote convinced his GOP colleague, Tennessee Sen. Bob Corker, to come out in support of the bill Friday even after vowing not to vote for any tax legislation that adds to the deficit. An analysis by the independent Joint Committee on Taxation forecasts the tax bill could swell the deficit by at least $1 trillion over the next decade even after factoring in economic growth.

Rubio’s still trying to win back some hard-right Republican voters who may never forgive him for his role supporting a 2013 bill that would have given millions of undocumented immigrants a path to citizenship.

Rubio had already worked with Utah Republican Sen. Mike Lee to double the tax credit from $1,000 to $2,000 in an earlier version of the bill. By holding out, he was able expand its refundability, resulting in an additional $300 per child for families who don’t earn enuogh to take advantage of the entire tax credit.

“For far too long, Washington has ignored and left behind the American working class,” he tweeted. “Increasing the refundability of the Child Tax Credit ... is a solid step toward broader reforms which are both Pro-Growth and Pro-Worker.”

Though critics say it doesn’t go nearly far enough to help the middle class, Rubio for now gets to claim he backed GOP leadership on tax cuts while still looking out for the little guy.

Count Florida Sen. Bill Nelson, among the many Democrats slamming the Federal Communication Commissions’ decision Thursday to end net neutrality.

Nelson is backing Democratic Senate Leader Chuck Schumer’s call for a vote on a bill that would preserve Obama-era net neutrality rules.

“Congress needs to fix the mess the FCC has now created with a lasting solution that will fully protect consumers and preserve the FCC’s authority,” he said.

The Republican-controlled FCC voted 3-2 to repeal rules passed during the Obama administration designed to protect consumers against bad behavior from their Internet service providers.

The FCC's action, protested by consumer groups and Internet companies. is seen as a victory for big telecom and cable companies such as AT&T, Charter, Comcast and Verizon.

Florida Democratic Sen. Bill Nelson(Photo: Joe Raedle)

The current rules, which prevented Internet service providers (ISPs) from blocking and throttling content, went into effect in 2015. The new regulations, passed by the Republican-controlled commissions' 3-2 vote, instead require ISPs to disclose any blocking or prioritization of their own content or from their partners. They are expected to take effect early next year.

“The Republican-led FCC just turned its back on consumers,” said Nelson, the top Democrat on the Senate Commerce, Science and Transportation Committee which oversees federal commuications policies. “By voting to give internet providers the ability to decide what websites their customers will see, how fast they’ll see them and how much they’re going to have to pay, the FCC just ended the internet as we know it.”

Decrying those so-called net neutrality regulations as "heavy-handed micromanagement" and "utility- style" regulations, FCC Chairman Ajit Pai said the replacement provisions do a better job for consumers and businesses alike.

The FCC's action "is not going to end the Internet as we know it. It is not going to kill democracy and it's not going to stifle free expression online," Pai said. "We are helping consumers and promoting competition.”

A new report suggests Florida takes care of its infrastructure better than any other state.

The analysis by 24/7 Wall St, a financial reporting firm, puts the Sunshine State at the top of the heap based on its review of federal records on the conditions of roads, bridges, dams. It also looked at how much each state prioritizes highway spending.

Here's what the report, dubbed "States That Are Falling apart," concluded about Florida:

— 3.2% of the state's roads are in poor condition (3rd best in the U.S.)

— 2.1% of its bridges are rated as deficient (also 3rd best)

— 6.3% of the state's dams are considered at "high hazard risk" (9th best overall)

— 8.7% of Florida's total government spending is spent on highways (only seven states spent more as a percentage).